J-pole antenna - Wikipedia
Characteristics. The J-pole antenna is an end-fed omnidirectional half-wave antenna that is matched to the feedline by a quarter wave parallel transmission line stub of Lecher system form. Matching to the feed-line is achieved by sliding the connection of the feedline back and forth along the ... Read Article
Octafilar Helical Antenna For Portable UHF-RFID Reader
Bandwidth. The radiation pattern of a patch antenna has peak gain at boresight (directly in front of the antenna) which is not always ideal in RFID applications ... Doc Retrieval
VHF And UHF Antennas For QRP Portable Operation
VHF and UHF Antennas for QRP Portable Operation Prepared for the QRP forum at Pacificon2011 by KK6MC James Duffey October 15, 2011 ... Visit Document
A portable 2-element VHF Yagi - FVARC
K3MT presents . . . A portable 2-element VHF yagi May, 1997 Here's a simple Saturday project: build a portable VHF yagi antenna for 2 meters. ... Read Content
Portable HF/VHF/UHF Station In An Attaché Case
Portable HF/VHF/UHF station in an Attaché case . I set out to build a portable HF/VHF/UHF station that could be quickly assembled using parts on hand. In our kit we have a SuperAntennas MP-1, a very compact 40m to UHF antenna kit. It ... Fetch Doc
The DBJ-2: A Portable VHF-UHF Roll-up J-pole Antenna
Particular, a VHF and UHF antenna for the amateur bands. A description is then given on how this dual band principal is applied to a fully portable “roll-up” J-pole antenna. Measured results are then presented. Introduction ... Get Document
HAM RADIO VHF/UHF MOBILE INSTALLATION - VE3NAR
HAM RADIO VHF/UHF MOBILE INSTALLATION by Mike Baker, W8CM . Three categories: 1. ANTENNA 1. Common antenna types 2. UHF GAIN 37” – 2M GAIN, UHF GAIN . SO, WHAT IS THE GAIN OF A MOBILE ANTENNA? How many dB? THE ANSWER: ... View Document
UHF Portable Reader/Writer And Antennas - NEC
Reader/writers and various antenna products in addition to the existing high-power reader/writers as shown in Fig. 1 . 3. UHF Band Portable Reader/Writer ... Doc Viewer
UP PORTABLE UHF Wireless System User Guide - Shureasia.com
ATTACHING THE UP4 RECEIVER ANTENNA 10 The Shure UP Wireless System is a portable, frequency-agile, The UC and UHF-system transmitters’ and UP receiver’s frequencies can be changed to avoid RF ... Fetch Doc
Antenne VHF UHF Scoubidou Pocket portable Tuto ... - YouTube
Antenne VHF ou UHF scoubidou pocket portable tuto réalisation http://www.gotechnique.com/ facile a fabriquer soi même avec juste du câble coaxial facile a tr ... View Video
Marine VHF Radio - Wikipedia
Marine VHF radio refers to the radio frequency range between 156.0 and 174 Sets can be fixed or portable. A fixed set generally has the advantages of a more reliable power source, higher transmit power, a larger and more effective aerial and a bigger display and buttons. ... Read Article
Portable VHF/UHF DF And Monitor Antenna Array
The Model 649 VHF/UHF Antenna is designed for applications requiring a compact, accurate, multi-element, direction finding (DF) antenna, combined with an omnidirectional monitoring ... Retrieve Content
P5400 Portable VHF, UHF - Harris Corporation
The P5400 portable is a digital two-way radio that antenna installed; drop directly to knobs) Programmable dual-position switch for flexible operation P5400 Portable VHF, UHF. Public Safety and Professional Communications ... View Doc
SE109 Series Portable UHF Antenna System - Harris Corporation
The SE109-1 portable UHF Satcom antenna system is the latest innovation in high gain, lightweight portable manpack antennas from a proven manufacturer. ... Retrieve Content
A Portable 2-Element Triband Yagi
A portable location. It turned out to be a to keep life as simple as possible. In other A Portable 2-Element Triband Yagi Have you ever dreamed about a por-table beam you could use at your summer cottage, while camp-ing or on reflector to a dipole antenna increases the overall gain about ... Read Here
An Easy Dual-Band VHF/UHF Antenna
An Easv Dual-Band VHFIUHF Antenna Why settle for the performance your rubber duck offers? Build this portable J-pole and boost your signal for next to nothing! ... Retrieve Full Source
portable_vhf_antennas.pdf - KE7HR Home Page
While operating portable there are commercial antenna options like extendable half or 5/8 wave antennas that attach directly to The connector could be a UHF type (shown) or a BNC type. Made out of #14 bare house wire, Portable_VHF_antennas.pub ... Read Content
Dipole antenna - Wikipedia
In radio and telecommunications a dipole antenna or doublet is the simplest and most widely used class of antenna. The For VHF and UHF bands, the radiating and ground plane elements can be constructed from rigid rods or tubes. For a simple 1/4-wave whip, ... Read Article
Portable Antenna System - WB2LUA
An alternate VHF/UHF antenna would be to use a 1 inch diameter 3 feet mast in place of the “lightweight” and “portable.” For portable use, the smallest, lightest, Portable_Antenna_System.pages ... Get Doc
VHF/UHF Portable Radios - Vertexstandard.com
VX-450 Series VHF/UHF Portable Radios SPECIFICATION SHEET – NORTH AMERICA Durable On-the-Job Responsiveness The industrial grade VX-450 Series maximizes worker uptime ... Retrieve Document
Bugout Bag VHF Or UHF Coax Cable Antenna - YouTube
This is a sort video on how to make a low-cost VHF or UHF antenna for your bugout bag that has no ridged parts. All the parts needed for this project are ava ... View Video
Portable Radio Antennas - Productfinder.pulseeng.com
Portable radio antennas note: antennas are not to scale SPOTS! SPOTS! antenna selection Guide by connector tyPe Determine connector type on the following pages and select the proper antenna based on frequency and type below. uHF center Frequency cOLOr 420 (403 - 437 MHz) Blue ... Return Doc
The DBJ-2: A Portable VHF-UHF Roll-Up J-pole Antenna For ...
The DBJ-2: A Portable VHF-UHF Roll-Up J-pole Antenna for Public Service Edison Fong, WB6IQN easy to replicate, “roll-up” portable antenna. radials. The DBJ-1 is easy to construct using inexpensive materials from your local hard-ware store. For its simplicity and small size, ... Retrieve Document
The DBJ-2: A Portable VHF-UHF Roll-Up J-pole Antenna For ...
The DBJ-2: A Portable VHF-UHF Roll-Up J-pole Antenna for Public Service Edison Fong, WB6IQN WB6IQN reviews the theory of the dual band 2 meter / 70 cm J-pole a durable roll-up portable antenna. After much thought and experimenting, I adopted ... View Document
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